Parker-Hannifin Corporation
MULTI-COUPLER MANIFOLD WITH MANUAL AND AUTOMATIC PRESSURE RELIEF

Abstract:

A multi-coupling component (20) includes a plurality of fluid couplers (22, 24, 26, 28) that are fluidly connected to a plurality of corresponding fluid flow pathways (80, 84), and a case drain fluid coupler (32) that is fluidly connected to a low pressure drain fluid pathway (88); and a pressure relief mechanism (40) that is configured to be moved between a disconnected state, a partially connected state, and a fully connected state. The pressure relief mechanism is configured such that in the partially connected state the fluid flow pathways and drain fluid pathway are fluidly connected to perform a pressure relief function, and in the disconnected state and the connected state the drain fluid pathway is isolated from the fluid flow pathways. The pressure relief mechanism includes a pressure relief button, wherein the pressure relief button is depressed to move the pressure relief mechanism from the disconnected state to the partially connected state and to the connected state. The pressure relief mechanism may be operated manually by hand for the subsequent connection of individual fluid couplers, or automatically when a second multi-coupling component is attached to the multi-coupling component that has the pressure relief mechanism.